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Available-for-Sale Securities - Summary of Contractual Maturities of Debt Investment Securities (Details) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Schedule Of Available For Sale Securities [Line Items]    
Under 1 Year $ 15,187,672  
Fair Value (Net Carrying Amount) 15,187,672 $ 6,298,075
Corporate Debt Securities    
Schedule Of Available For Sale Securities [Line Items]    
Under 1 Year 15,187,672  
Fair Value (Net Carrying Amount) $ 15,187,672 $ 6,298,075